Why are my component bindings undefined in its controller?

Question

I\'m writing a simple angular component. I\'m passing a parameter as a binding and display its value on the screen. All works fine: I can see the parameter being displayed on th

Answer 1

Make sure you use hyphens for bindings in HTML and camelCase for bindings in Javascript.

app.component("test", {
  bindings: {
    "myContactId": "<"
  }
}

That's what I always forget to do.